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EN 1.4521 Stainless Steel vs. EN 1.5682 Steel

Both EN 1.4521 stainless steel and EN 1.5682 steel are iron alloys. They have 79% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4521 stainless steel and the bottom bar is EN 1.5682 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
21
Fatigue Strength, MPa 230
400
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 330
480
Tensile Strength: Ultimate (UTS), MPa 520
770
Tensile Strength: Yield (Proof), MPa 340
570

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 930
430
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.8

Otherwise Unclassified Properties

Base Metal Price, % relative 12
7.5
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
2.3
Embodied Energy, MJ/kg 39
31
Embodied Water, L/kg 130
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
150
Resilience: Unit (Modulus of Resilience), kJ/m3 280
870
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 19
23
Thermal Shock Resistance, points 18
23

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.13
Chromium (Cr), % 17 to 20
0
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 74.6 to 81.1
88.7 to 91.1
Manganese (Mn), % 0 to 1.0
0.3 to 0.8
Molybdenum (Mo), % 1.8 to 2.5
0 to 0.1
Nickel (Ni), % 0
8.5 to 9.5
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.0050
Titanium (Ti), % 0.15 to 0.8
0
Vanadium (V), % 0
0 to 0.050